Vascular

Types of vascular disease

Flow

Pressure

Nidus

Any intervening brain tissue

Most common sign and symptoms

AVM

High

High

Yes

No

Haemorrhage, seizure

DAVF

High

High

No

No

Haemorrhage

Direct CCF

High

High

No

No

exophthalmos, chemosis, visual loss

Indirect CCF

Low

Low

No

No

Bruits, proptosis, chemosis

Venous angiomas

Low

Low

No

Yes

Seizure, haemorrhage

Capillary telangiectasia

Low

Low

No

Yes

Haemorrhage

Cavernomas

Low

Low

No

No

Seizure